10 J of heat is supplied and 3 J is taken out, if the change in intern – McqOptions

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1.	10 J of heat is supplied and 3 J is taken out, if the change in internal energy of the system is 5 J, what is the work done on the system?
A.	2 J
B.	– 2 J
C.	5 J
D.	– 5 J
Answer» C. 5 J

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